Housing of a thermostat



FIG. 1 is a plan view of the front of the invention;

FIG. 2 is a side plan view as seen from left to right of FIG. 1;

FIG. 3 is a top plan of the invention, the bottom plan view being a mirror image thereof;

FIG. 4 is a perspective view of the invention; and,

FIG. 5 is a plan view of the invention, as seen from right to left, of FIG. 1. 

The ornamental design for a housing of a thermostat, as shown and described. 